Silverado 1500 4WD V8-5.3L VIN T (2004)
Tighten
Tighten the nut to 10 N.m (89 lb in).
19. Lower the vehicle.
20. Remove the caps from the fuel rail and EVAP pipes.
21. Connect the EVAP canister purge tube (3).
22. Connect the fuel feed and return pipes (1) at the fuel rail.
23. Install the fuel fill cap.
24. Connect the negative battery cable.
25. Use the following procedure in order to inspect for leaks:
25.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
25.2. Turn the ignition OFF for 10 seconds.
25.3. Turn the ignition ON, with the engine OFF.
25.4. Inspect for fuel leaks.
EVAP Hoses/Pipes Replacement - Chassis (1500 Crew Cab)
EVAPORATIVE EMISSION (EVAP) HOSES/PIPES REPLACEMENT - CHASSIS (1500 CREW CAB)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to
avoid possible system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Disconnect the fuel feed line (1) fitting at the engine.
3. Disconnect the EVAP canister purge tube (2) fitting.
4. Cap the fuel rail and EVAP lines in order to avoid possible system contamination.
5. Raise and support the vehicle. Refer to Vehicle Lifting.
